[J] 共同セッション：チタン・チタン合金

10:50 〜 11:10

[J2] Solid-solution and precipitation strengthening effects on Ti_75-XAl₁₅Nb₁₀Zr_X alloys

*Kibeom KIM¹, Sae MATSUNAGA¹, Yoko YAMABE-MITARAI¹ (1. U of Toyko)

キーワード：

Titanium alloys、Multi-Principal Element Alloys、High temperature strength、Solid-solution strengthening、Precipitation strengthening、Heat treatment

New Ti alloys (Ti₆₅Zr₁₀Al₁₅Nb₁₀, Ti₅₅Zr₂₀Al₁₅Nb₁₀) were designed to enhance high-temperature strength by stabilizing the α-HCP phase. Those showed a improved high temperature performance.